(19)

(11)

EP 3 507 426 A1

(12)

(43) Date of publication: 10.07.2019 Bulletin 2019/28 (21) Application number: 16791111.4 (22) Date of filing: 02.09.2016

(51) International Patent Classification (IPC):  E03C 1/086(2006.01) (86) International application number: PCT/IT2016/000204 (87) International publication number: WO 2018/042465 (08.03.2018 Gazette 2018/10)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (71) Applicant: Nikles Tec Italia S.r.l. 25013 Carpenedolo Brescia (IT)	(72) Inventor: NIKLES, Gerhard I-25013 Carpenedolo-Brescia (IT) (74) Representative: Chimini, Francesco  Jacobacci & Partners S.p.A. Piazza della Vittoria 11 25122 Brescia 25122 Brescia (IT)